CPU Comparison
Intel Core i7-6800K vs Intel Core i7-6800K
A side-by-side comparison of specs, performance and value. The Intel Core i7-6800K is a high-end desktop (HEDT) processor built on the Broadwell-E architecture. Designed for enthusiasts and professionals, it features six cores and twelve threads, offering a significant multi-threaded performance leap over mainstream quad-core CPUs of its era. Operating at a base frequency of 3.4 GHz and boosting up to 3.8 GHz with Intel Turbo Boost Max 3.0, it delivers robust computing power for demanding applications. Unlike mainstream chips, it utilizes the LGA 2011-v3 socket and the X99 chipset, supporting quad-channel DDR4 memory for massive memory bandwidth. With 28 PCIe 3.0 lanes, it provides extensive expansion capabilities for multi-GPU setups and high-speed storage arrays. The 140-watt TDP reflects its workstation-class design. While it lacks integrated graphics, requiring a discrete GPU, the 6800K excels in parallel processing tasks like video editing, 3D rendering, and virtualization, making it a powerhouse for creators who need more than standard desktop platforms offer.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
6 cores handle rendering well, but lack the speed of modern architectures.
Six cores and 12 threads provide solid throughput in multi-threaded creator applications.
Gaming
Good for gaming, but single-core speed lags behind modern CPUs.
Plays modern games well when paired with a strong GPU, though frame rates lag behind newer high-frequency CPUs.
Virtualization
Quad-channel memory and 12 threads make it great for VMs.
Quad-channel memory and PCIe lanes suit lab environments with multiple VMs and storage.
Efficiency
140W TDP is power-hungry by modern standards.
140 W TDP and 14 nm place it behind newer platforms in performance per watt.
Specialized Performance
AI / ML
- No AI hardware
- CPU inference is moderate due to core count
- No dedicated NPUs or matrix accelerators
- Suitable for CPU-bound inference workloads only
- AVX2 support helps in some compute-heavy tasks
Content Creation
Gaming
- Can handle modern games with a discrete GPU
- Lower single-core speed limits high-refresh gaming
- Great for multi-tasking while gaming
- Handles high-refresh gaming with a capable GPU
- Turbo Boost Max 3.0 can aid lightly threaded titles
- Modern CPUs typically deliver higher gaming efficiency
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- 6 cores / 12 threads
- 28 PCIe lanes
- Quad-channel memory
- Unlocked for overclocking
Cons
- High 140W TDP
- Older 14nm process
- Only 28 PCIe lanes
- Lacks integrated graphics
Pros
- Six cores and 12 threads remain viable for productivity
- Quad-channel DDR4 provides strong memory bandwidth
- 28 PCIe 3.0 lanes enable multi-GPU and NVMe flexibility
- Unlocked multiplier for overclocking enthusiasts
- Turbo Boost Max 3.0 improves lightly threaded performance
Cons
- 140 W TDP is high by modern standards
- No integrated graphics requires a discrete GPU
- X99 platform is legacy with limited future CPU options
- PCIe lane count lower than 40-lane Broadwell-E SKUs
- Launch price higher than newer, more efficient options
Competitors & Alternatives
Intel Core i7-6800K
- AMD Ryzen 7 1700XRival
High-End Desktop
- Compare head-to-headIntel Core i7-5820KRival
High-End Desktop
- AMD Ryzen 7 1700Rival
High-End Desktop
- Compare head-to-headIntel Core i7-7800XRival
High-End Desktop
- Compare head-to-headIntel Core i7-6850KRival
High-End Desktop
- AMD Ryzen 5 5600XAlt
Vastly superior single-core speed and efficiency.
- Intel Core i5-12400FAlt
Modern alternative that beats it in almost everything.
- AMD Ryzen 7 5700XAlt
8 cores, better IPC, lower power.
Intel Core i7-6800K
- AMD Ryzen 5 1600XRival
Mainstream Desktop
- AMD Ryzen 7 1700Rival
Creator
- AMD Ryzen 7 1800XRival
Enthusiast
- Compare head-to-headIntel Core i7-6700KRival
Mainstream Gaming
- Compare head-to-headIntel Core i7-5820KRival
Previous-Gen HEDT
More cores and higher PCIe lane count on the newer X299 platform.
Compare head-to-head- AMD Ryzen 7 5800XAlt
Much higher single-thread performance and efficiency on AM4.
- AMD Ryzen 9 5900XAlt
12 cores and 24 threads with strong performance per watt.
Modern DDR5 platform with more cores and features for new builds.
Compare head-to-head- AMD Ryzen 9 7950XAlt
Cutting-edge multi-threaded performance and PCIe 5.0 support.
Our Verdict on Each
A solid entry point into the HEDT market, offering 6 cores and 28 PCIe lanes, though aging rapidly compared to modern alternatives.
Best for: Upgrading an existing X99 system for more cores.
Read the full reviewA capable entry point into X99 HEDT with solid multi-threading and PCIe headroom, now best suited to budget used builds or specialized workloads rather than new gaming rigs.
Best for: Budget-conscious used HEDT build for multi-threaded workloads
Read the full reviewFrequently Asked Questions
Which is faster for gaming, Intel Core i7-6800K or Intel Core i7-6800K?
For gaming, the Intel Core i7-6800K leads with a gaming performance score of 78/100 among Intel Core i7-6800K and Intel Core i7-6800K.
Do Intel Core i7-6800K and Intel Core i7-6800K use the same socket?
No. They use different sockets (Intel Core i7-6800K: Intel Socket 2011-3, Intel Core i7-6800K: LGA2011-v3), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Intel Core i7-6800K posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-6800K (13,000). Benchmark figures are approximate and workload-dependent.